Results 31 to 40 of about 42,877 (216)

Optimization Studies on Improving the Dielectric Properties of Alkali Treated Fibers from Phaseolus Vulgaris Reinforced Polyester Composites by Central Composite Design

Journal of Natural Fibers, 2021
This study investigates the dielectric efficiency of a composite prepared using a fiber extracted from Phaseolus vulgaris. The extraction of fiber was statistically modeled using face-centered central composite design.
B. Gurukarthik Babu, D. Princewinston, V.C. Padmanaban, G.Abdul Lathief Sherief, M. Kiruba Sankar, P.V. Aravind Bhaskar   +5 more
doaj   +1 more source

Dielectric Characterization of Chinese Standard Concrete for Compressive Strength Evaluation

Applied Sciences, 2017
Dielectric characterization of concrete is essential for the wireless structural health monitoring (SHM) of concrete structures. Guo Biao (GB) concrete refers to the concrete mixed and cast in accordance with the Chinese standard. Currently, China is the
Kwok L. Chung, Lei Yuan, Songtao Ji, Li Sun, Chengping Qu, Chunwei Zhang   +5 more
doaj   +1 more source

Dielectric and Thermal Properties of Carrot Fibers –Epoxy Composites [PDF]

Engineering and Technology Journal, 2011
Epoxy composites were prepared with two sizes of carrot fibers in different weight percent (10%, 20%, 30% and 40%) by hand lay-up technique. The dielectric constant and dissipation factor (tanä) of pure epoxy resin and composites were measured in a ...
Wafaa A. Hussain
doaj   +1 more source

Characteristics of Gel Time and Dielectric Strength of Epoxy Composite According to the Mixing Ratio of Micro-Fillers

Energies, 2020
The dielectric strength and gel time of epoxy composites vary with the mixing ratio of epoxy resin, hardener, additives, filler, etc., and especially the gel time affects the productivity and economics of ultra-high-voltage (UHV) equipment.
Dong-Hun Oh, Ho-Seung Kim, Jae-Hun Shim, Young-Ho Jeon, Da-Won Kang, Bang-Wook Lee   +5 more
doaj   +1 more source

Influence of Space Charge on Dielectric Property and Breakdown Strength of Polypropylene Dielectrics under Strong Electric Field

Energies, 2022
Space charge accumulation in polypropylene (PP) affect the dielectric properties and breakdown strength of the material. The pre-injected charge in PP under the action of different polarity voltage is quantitatively characterized, and the effects of the ...
Zhaoliang Xing, Zhenlu Gu, Chong Zhang, Shaowei Guo, Huize Cui, Qingquan Lei, Guochang Li   +6 more
doaj   +1 more source

Synthesize Nano ZnO-ZrO2 Composite by Combustion Method and Studying their Dielectric Properties [PDF]

Engineering and Technology Journal, 2012
Combustion method had been used to prepare a composite material from doping ZnO by 10 mol% ZrO2 . XRD showed a good crystalline powder comparing with ASTM cards.
Fadhil A.Chyad
doaj   +1 more source

Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials

Advanced Engineering Materials, EarlyView.
Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai, Xinrui Sarah Niu, Zhao Qin   +2 more
wiley   +1 more source

Some Factors Effecting on the Dielectric Strength for (PVC- Kaolin) Composites [PDF]

Engineering and Technology Journal, 2011
This research includes the effect of kaolin additions to the polymer matrix (PVC) and study some factors affecting to dielectric strength. The kaolin powder was added as percentage by weight (1,2,3 and 4%) to PVC, and the specimens formed by hot pressing
doaj   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

Advanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan, Shuvra Saha, Sumit Hassan Eshan, Rinku Basak, Md. Nahian Al Subri Ivan, Ahmed Murtuza Saleque, Raja Tariqul Hasan Tusher, Sadia Zabin, Md. Abdur Rahman, Yuen Hong Tsang   +9 more
wiley   +1 more source

Dielectric Properties of Surface-Doped Partially Stabilised Zirconia with Ceramic Nanomaterials [PDF]

Journal of Applied Sciences and Nanotechnology
The microstructural and dielectric properties of Yttria-partially stabilized zirconia (Y-PSZ) were studied before and after sintering with BaTiO3 and WO3 doping.
Lara Al-Hakeem, Shihab Zaidan, Wafaa Khalef   +2 more
doaj   +1 more source